Your Shopify storefront address will be in the format storename.myshopify.com and is the default address provided to you by Shopify when you first opened your store.
If you can't remember your shop name you can find it by logging into your Shopify admin.
Tips: You have a custom domain name and you aren't sure? Try to visit yourdomain.com/admin it should redirect directly to your myshopify.com URL.
After logging into your Shopify admin, your URL should include your store name:
If you have connected your Shopify store to a custom domain name, you will still need to use your original Shopify storefront address provided in order to connect with any Oryx Commerce applications.